Home / 481,658-715,515

Finding the Third Proportional to 481,658 and 715,515

Calculator

Solution

The third proportional to 481,658 and 715,515 is: 1,062,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,658 : 715,515 = 715,515 : x
  2. Step 2: Convert to fraction form
    481,658/715,515 = 715,515/x
  3. Step 3: Cross multiply
    481,658x = 715,515 × 715,515
  4. Step 4: Simplify right side
    481,658x = 511,961,715,225
  5. Step 5: Solve for x
    x = 511,961,715,225/481,658
  6. Step 6: Final answer
    x = 1,062,915.42

Related Problems

Find third proportional to 240,829 and 357,757.50
Half scale
Find third proportional to 963,316 and 1,431,030
Double scale
Find third proportional to 481,660 and 715,518
Similar ratio
Find third proportional to 722,487 and 1,073,272.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.